Solve.A bridge with a semi-elliptical arch extends over a river as shown. Find an equation of the ellipse that represents the arch of the bridge.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Write the compound statement in symbols.Let r = "The food is good," p = "I eat too much,"q = "I'll exercise."If I eat too much, then I'll exercise.
A. q ? p B. p ? q C. r ? p D. p ? q
Mathematics
Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x2 - x - 42
A. (x + 1)(x - 42) B. prime C. (x + 7)(x - 6) D. (x + 6)(x - 7)
Mathematics
Find the absolute value of the number.
Fill in the blank(s) with the appropriate word(s).
Mathematics
In the previous problem, assume that 
. The solution for 
is
Select the correct answer.
?
A. 
B. 
C. 
D. 
E. 
Mathematics